I'm not a doctor, but I can offer some general advice that might be helpful @ basketball stars
Consult a healthcare professional: Schedule an appointment with a doctor or a pediatrician who has experience working with children with Down syndrome.
Balanced diet: Ensure that your niece is receiving a balanced diet appropriate for her age and condition.
Physical activity: Encourage regular physical activity appropriate for her abilities. Engaging in activities such as walking, swimming, or playing can help maintain a healthy weight and promote overall well-being.